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$249+ Cheap flights from Rapid City to Milwaukee (RAP - MKE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — MKE
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap flight deals from Rapid City to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

August

Cheapest in

April

Average price

$428
Provider with most accurate pricing for Rapid City-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Milwaukee-Mitchell flights.
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From Rapid City to Milwaukee-Mitchell
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Highest demand for flights based on searches. 13% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Rapid City to Milwaukee

Cheapest flights from Rapid City to Milwaukee
Explore the most affordable flight options available from Rapid City to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:05 amRAP - MKE
1 stop4h 19mDelta
Sat 10/186:59 pmMKE - RAP
1 stop4h 37mDelta
Deal found 9/28$259
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1412:56 pmRAP - MKE
2 stops8h 00mUnited Airlines
Sat 10/184:30 pmMKE - RAP
1 stop5h 05mUnited Airlines
Deal found 9/28$301
This Delta deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:05 amRAP - MKE
1 stop4h 27mDelta
Fri 11/285:50 pmMKE - RAP
1 stop5h 49mDelta
Deal found 9/28$379
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:15 amRAP - MKE
2 stops8h 52mUnited Airlines
Fri 11/286:05 amMKE - RAP
1 stop5h 29mUnited Airlines
Deal found 9/28$480

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
Use the filters below to find and compare flights from Rapid City to Milwaukee that are best for you.

Fly from

Rapid City

Fly to

Milwaukee

Route

Depart

Return

Price

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Tue 3/24

6:20 am-2:13 pm

1 stop6h 53m

Milwaukee-Mitchell

Sat 3/28

6:00 pm-10:14 pm

1 stop5h 14m

$249

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Tue 3/3

4:00 pm-9:32 pm

1 stop4h 32m

Milwaukee-Mitchell

Sat 3/7

6:45 am-10:05 am

1 stop4h 20m

$249

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Tue 10/14

6:05 am-11:24 am

1 stop4h 19m

Milwaukee-Mitchell

Sat 10/18

6:59 pm-10:36 pm

1 stop4h 37m

$259

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Tue 10/14

12:56 pm-9:56 pm

2 stops8h 00m

Milwaukee-Mitchell

Sat 10/18

4:30 pm-8:35 pm

1 stop5h 05m

$301

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Tue 11/25

6:05 am-11:32 am

1 stop4h 27m

Milwaukee-Mitchell

Fri 11/28

5:50 pm-10:39 pm

1 stop5h 49m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Compare providers for flights from Rapid City to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Milwaukee in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rapid City-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rapid City to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Milwaukee

What is the cheapest month to book a flight from Rapid City to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Rapid City to Milwaukee (average of $280). Flying from Rapid City to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated September 29, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rapid City to Milwaukee?

    Airlines like Delta and United Airlines fly from Rapid City to Milwaukee in about 6h 53m. The time it takes to get you to your destination can typically vary by up to 1h 07m. The distance from Rapid City to Milwaukee is about 762 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to Milwaukee round-trip?

    According to our current data, Delta ($248), and United Airlines ($283) offers the cheapest pricing from Rapid City to Milwaukee. These flights start at 41% lower than the current average price 3 months from now.

  • Can I find deals for flights from Rapid City to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Rapid City to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Milwaukee.

  • Can I find deals for business class flights from Rapid City to Milwaukee?

    Yes. Cheapflights offers flight deals from Rapid City to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Rapid City to Milwaukee (average of $280). Flying from Rapid City to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Oak Creek
New Berlin
Wauwatosa

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Top 2 airlines flying from Rapid City to Milwaukee

Discover the top 2 airlines that operate flights from Rapid City to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$318FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$510FlexibilityNo cancel feeOn-time69%

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